OpenTechnical

OT-2026-000005304

Publication integrity record

Bellows cup vacuum gripper, two zone face, ejector fed, pulsed blow off after set down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005304) never changes.

Identity and time

Publication numberOT-2026-000005304 · never reused
Internal UUID01a0a934-d552-724e-80f7-6b95187ddf59 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:27.125525Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005304
StatusPUBLIC

Content hashes

Canonical textc890f234576bb7c48ee0c639f8483bbb3035f6107d1b69e1a0a7a97fbac77b47
Markdownd3b053c49a98803746d7cf814d9ef4c72ff49d5a16cedfcce96258a4c2a36d9c
PDF
Publication page146cc5072eee819c67c1e5824872e88df85abddb5c664591a682235d67a1c2ef
Manifestf672c084b21889a74567c4d5bb1139633764466fe3bef88b1800edd011f4b83d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureusWVGxaHgmGaF0dAx0v0JgZj9LpObjdCNr1YJBmWu7r7xBW0kqYS9VsFwkQ/IWz4AAIzJsVhwp1p/eYp+o0oDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:24.720314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005304
observed 146cc5072eee819c67c1e5824872e88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.708188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005304/manifest.json
observed f672c084b21889a74567c4d5bb113963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.695484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005304/publication.md
observed d3b053c49a98803746d7cf814d9ef4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.681858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005304/publication.txt
observed c890f234576bb7c48ee0c639f8483bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.